Home / 1,914.86-2,869.90-1,037.36

Finding the Fourth Proportional to 1,914.86, 2,869.90 and 1,037.36

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Solution

The fourth proportional to 1,914.86, 2,869.90 and 1,037.36 is: 1,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.86 : 2,869.90 = 1,037.36 : x
  2. Step 2: Convert to fraction form
    1,914.86/2,869.90 = 1,037.36/x
  3. Step 3: Cross multiply
    1,914.86x = 2,869.90 × 1,037.36
  4. Step 4: Simplify right side
    1,914.86x = 2,977,124.05
  5. Step 5: Solve for x
    x = 2,977,124.05/1,914.86
  6. Step 6: Final answer
    x = 1,554.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.